Revert "Added I2C slave echo example in examples folder. Using another maple, write a byte and then read."

This reverts commit 594724951553a882758c11497a4f03828b4f43e6.

Reverting pull request #54, which breaks examples/i2c-mcp4725-dac.cpp.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>

1 files changed, 0 insertions, 110 deletions

diff --git a/examples/i2c_slave_example.cpp b/examples/i2c_slave_example.cpp
deleted file mode 100644
index 98da58c..0000000
--- a/examples/i2c_slave_example.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * i2c_slave example.cpp
- *
- *  Created on: 4 Sep 2012
- *      Author: Barry Carter <barry.carter@gmail.com>
- */
-#include <wirish/wirish.h>
-#include <i2c.h>
-
-#define USE_BUFFERED_EXAMPLE 1
-
-i2c_msg msg;
-i2c_msg *pmsg = &msg;
-uint8 buffer[255];
-
-uint8 value_to_print = 'A';
-
-void funcrx(i2c_msg *msg)
-{
-    // Received length will be in msg->length
-    char return_data = msg->data[0];
-    value_to_print = return_data;
-}
-
-#if USE_BUFFERED_EXAMPLE == 1
-/* We ARE using a buffer to transmit the data out.
- * Make sure you fill the buffer with the data AND you set the length correctly
- */
-void functx(i2c_msg *msg)
-{
-    // Cheeky. We are using the received byte of the data which is currently in
-    // byte 0 to echo it back to the master device
-    //msg->data[0] = 0x01;    // We are re-using the rx buffer here to echo the request back
-    msg->data[1] = 0x02;
-    msg->data[2] = 0x03;
-    msg->data[3] = 0x04;
-    msg->data[4] = 0x05;
-    msg->length = 5;
-}
-
-#else
-
-/* We are NOT using the buffered data transmission
- * We will get this callback for each outgoing packet. Make sure to call i2c_write
- * Strickly speaking, we should be sending a NACk on the last byte we want to send
- * but for this test example I am going to assume the master will NACK it when it
- * wants to stop.
- */
-void functx(i2c_msg *msg)
-{
-    i2c_write(I2C1, msg->data[0]);
-}
-
-#endif
-
-
-void setup() {
-    SerialUSB.begin();
-    SerialUSB.println("I2C Slave example");
-
-    // attach the buffer
-    msg.data = buffer;
-
-    /* Init slave mode. Enables master too
-     * We are going to configure the slave device to
-     *  - enable fast I2C (400khz)
-     *  - dual addresses (can have 2 addresses per module)
-     * general call (accepts data writes to 0x00 on a broadcast basis)
-     *
-     * If the buffered example is enabled, then we also enable the
-     * buffer for rx and tx.
-     * Note you can independently enable/disable RX and TX buffers to
-     * allow a buffered read and direct writes. Useful if you don't know how
-     * much the master will read.
-     */
-#if USE_BUFFERED_EXAMPLE == 1
-    i2c_slave_enable(I2C1, I2C_FAST_MODE | I2C_SLAVE_DUAL_ADDRESS | I2C_SLAVE_GENERAL_CALL | I2C_SLAVE_USE_RX_BUFFER | I2C_SLAVE_USE_TX_BUFFER);
-#else
-    i2c_slave_enable(I2C1, I2C_FAST_MODE | I2C_SLAVE_DUAL_ADDRESS | I2C_SLAVE_GENERAL_CALL);
-#endif
-
-    // attach  receive handler
-    i2c_slave_attach_recv_handler(I2C1, &msg, funcrx);
-    // attach transmit handler
-    i2c_slave_attach_transmit_handler(I2C1, &msg, functx);
-
-    // set addresss 1 to 16
-    i2c_slave_set_own_address(I2C1, 0x10);
-    // set addresss 2 to 32
-    i2c_slave_set_own_address2(I2C1, 0x20);
-}
-
-void loop() {
-    SerialUSB.print("Last byte: ");
-    SerialUSB.println(value_to_print);
-}
-
-// Force init() to be called before anything else.
-__attribute__((constructor)) void premain() {
-    init();
-}
-
-int main(void) {
-    setup();
-
-    while (true) {
-        loop();
-    }
-    return 0;
-}